package com.zzyl.nursing.service.impl;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Arrays;
import java.util.List;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.json.JSONUtil;
import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.nursing.domain.*;
import com.zzyl.nursing.dto.CheckInApplyDto;
import com.zzyl.nursing.dto.CheckInElderDto;
import com.zzyl.nursing.mapper.*;
import com.zzyl.nursing.service.ICheckInConfigService;
import com.zzyl.nursing.service.IContractService;
import com.zzyl.nursing.service.IElderService;
import com.zzyl.nursing.util.CodeGenerator;
import com.zzyl.nursing.util.DateUtils;
import com.zzyl.nursing.vo.CheckInConfigVo;
import com.zzyl.nursing.vo.CheckInDetailVo;
import com.zzyl.nursing.vo.CheckInElderVo;
import com.zzyl.nursing.vo.ElderFamilyVo;
import io.swagger.util.Json;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.service.ICheckInService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 入住Service业务层处理
 * 
 * @author alexis
 * @date 2025-06-07
 */
@Service
public class CheckInServiceImpl extends ServiceImpl<CheckInMapper, CheckIn> implements ICheckInService
{
    @Autowired
    private ElderMapper elderMapper;
    @Autowired
    private CheckInMapper checkInMapper;
    @Autowired
    private CheckInConfigMapper checkInConfigMapper;
    @Autowired
    private ContractMapper contractMapper;
    @Autowired
    private BedMapper bedMapper;



    @Autowired
    private IElderService elderService;

    @Autowired
    private IContractService contractService;

    @Autowired
    private ICheckInConfigService checkInConfigService;

    /**
     * 查询入住
     * 
     * @param id 入住主键
     * @return 入住
     */
    @Override
    public CheckIn selectCheckInById(Long id)
    {
        return checkInMapper.selectById(id);
    }

    /**
     * 查询入住列表
     * 
     * @param checkIn 入住
     * @return 入住
     */
    @Override
    public List<CheckIn> selectCheckInList(CheckIn checkIn)
    {
        return checkInMapper.selectCheckInList(checkIn);
    }

    /**
     * 新增入住
     * 
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int insertCheckIn(CheckIn checkIn)
    {
        return checkInMapper.insert(checkIn);
    }

    /**
     * 修改入住
     * 
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int updateCheckIn(CheckIn checkIn)
    {
        return checkInMapper.updateById(checkIn);
    }

    /**
     * 批量删除入住
     * 
     * @param ids 需要删除的入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInByIds(Long[] ids)
    {
        return checkInMapper.deleteBatchIds(Arrays.asList(ids));
    }

    /**
     * 删除入住信息
     * 
     * @param id 入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInById(Long id)
    {
        return checkInMapper.deleteById(id);
    }

    // 统一时间格式器
    private static final DateTimeFormatter DTF = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
    @Override
    public void apply(CheckInApplyDto checkInApplyDto) {
        //经过分析，我们的入住申请流程是：
        //1.首先检验老人是否已经入住, 通过身份证号查询老人
        CheckInElderDto checkInElderDto = checkInApplyDto.getCheckInElderDto();
        LambdaQueryWrapper<Elder> elderQueryWrapper = new LambdaQueryWrapper();
        elderQueryWrapper.eq(Elder::getIdCardNo, checkInApplyDto.getCheckInElderDto().getIdCardNo());
        elderQueryWrapper.eq(Elder::getStatus, 1);
        Elder elder =  elderMapper.selectOne(elderQueryWrapper);
        if(ObjectUtils.isNotEmpty(elder)) {
            throw new BaseException("老人已入住");
        }
        //2.老人未入住，现在将床位更新为已入住状态
        //首先获取到当前老人即将入住的床位对象，方便修改
        Long bedId = checkInApplyDto.getCheckInConfigDto().getBedId();
        Bed bed = bedMapper.selectBedById(bedId);
        bed.setBedStatus(1);//修改为已入住
        bedMapper.updateById(bed);//更新床位信息
        //3.新增或者更新老人的信息
        elder = insertOrUpdate(bed, checkInApplyDto.getCheckInElderDto());
        // 生成合同编号
        String contractNo = "HT" + CodeGenerator.generateContractNumber();

        // 新增签约办理
        insertContract(contractNo, elder, checkInApplyDto);

        // 新增入住信息
        CheckIn checkIn = insertCheckIn(elder, checkInApplyDto);

        // 新增入住配置信息
        insertCheckInConfig(checkIn.getId(), checkInApplyDto);
    }

    /**
     * 查询入住详情
     */

    @Override
    public CheckInDetailVo detail(Long id) {

        // 查询入住信息
        CheckIn checkIn = this.getById(id);
        if (checkIn == null) {
            throw new RuntimeException("入住信息不存在");
        }

        CheckInDetailVo detailVo = new CheckInDetailVo();

        // 查询老人信息
        Elder elder = elderService.getById(checkIn.getElderId());
        if (elder != null) {
            CheckInElderVo elderVo = BeanUtil.copyProperties(elder, CheckInElderVo.class);
            detailVo.setCheckInElderVo(elderVo);
        }

        // 查询家属信息（从remark字段中解析）
        String remark = checkIn.getRemark();
        if (remark != null && !remark.isEmpty()) {
            List<ElderFamilyVo> familyVos = JSONUtil.toList(JSONUtil.parseArray(remark), ElderFamilyVo.class);
            detailVo.setElderFamilyVoList(familyVos);
        }

        // 查询入住配置信息
        CheckInConfig config = checkInConfigService.getOne(new LambdaQueryWrapper<CheckInConfig>()
                .eq(CheckInConfig::getCheckInId, checkIn.getId()));
        if (config != null) {
            CheckInConfigVo configVo = BeanUtil.copyProperties(config, CheckInConfigVo.class);

            // 查询床位信息（根据入住信息中的床号查询）
            Bed bed = bedMapper.selectOne(new LambdaQueryWrapper<Bed>()
                    .eq(Bed::getBedNumber, checkIn.getBedNumber()));
            if (bed != null) {
                configVo.setBedNumber(bed.getBedNumber());
            }
            detailVo.setCheckInConfigVo(configVo);
        }

        // 查询合同信息
        Contract contract = contractService.getOne(new LambdaQueryWrapper<Contract>()
                .eq(Contract::getElderId, checkIn.getElderId()));
        if (contract != null) {
            detailVo.setContract(contract);
        }
        return detailVo;
    }

    /**
     * 新增或更新老人
     * @param bed
     * @param checkInElderDto
     * @return
     */
    private Elder insertOrUpdate(Bed bed, CheckInElderDto checkInElderDto) {

        // 准备老人数据
        Elder elder = new Elder();
        // 属性拷贝
        BeanUtils.copyProperties(checkInElderDto, elder);
        elder.setBedNumber(bed.getBedNumber());
        elder.setBedId(bed.getId());
        elder.setStatus(1);
        // 查询老人信息，（身份证号、状态不为1）
        LambdaQueryWrapper<Elder> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(Elder::getIdCardNo, checkInElderDto.getIdCardNo()).ne(Elder::getStatus, 1);
        Elder elderDb =  elderMapper.selectOne(lambdaQueryWrapper);
        if(ObjectUtils.isNotEmpty(elderDb)) {
            // 修改
            elderMapper.updateById(elder);
        }else {
            // 新增
            elderMapper.insert(elder);
        }
        return elder;
    }

    /**
     * 新增入住配置
     * @param checkInApplyDto
     */
    private void insertCheckInConfig(Long checkInId, CheckInApplyDto checkInApplyDto) {
        CheckInConfig checkInConfig = new CheckInConfig();
        BeanUtils.copyProperties(checkInApplyDto.getCheckInConfigDto(), checkInConfig);
        checkInConfig.setCheckInId(checkInId);
        checkInConfigMapper.insert(checkInConfig);
    }

    /**
     * 新增入住信息
     * @param elder
     * @param checkInApplyDto
     */
    private CheckIn insertCheckIn(Elder elder, CheckInApplyDto checkInApplyDto) {
        CheckIn checkIn = new CheckIn();
        checkIn.setElderId(elder.getId());
        checkIn.setElderName(elder.getName());
        checkIn.setIdCardNo(elder.getIdCardNo());
        checkIn.setNursingLevelName(checkInApplyDto.getCheckInConfigDto().getNursingLevelName());
        checkIn.setStartDate(checkInApplyDto.getCheckInConfigDto().getStartDate());
        checkIn.setEndDate(checkInApplyDto.getCheckInConfigDto().getEndDate());
        checkIn.setBedNumber(elder.getBedNumber());
        checkIn.setRemark(JSON.toJSONString(checkInApplyDto.getElderFamilyDtoList()));
//        checkIn.setRemark(JSONUtil.toJsonStr(checkInApplyDto.getElderFamilyDtoList()));
        checkIn.setStatus(0);
        checkInMapper.insert(checkIn);
        return checkIn;
    }

    /**
     * 新增合同
     * @param contractNo
     * @param elder
     * @param checkInApplyDto
     */
    private void insertContract(String contractNo, Elder elder, CheckInApplyDto checkInApplyDto) {

        Contract contract = new Contract();
        // 属性拷贝
        BeanUtils.copyProperties(checkInApplyDto.getCheckInContractDto(), contract);
        contract.setContractNumber(contractNo);
        contract.setElderId(elder.getId().intValue());
        contract.setElderName(elder.getName());
        // 状态、开始时间、结束时间
        // 签约时间小于等于当前时间，合同生效中
        LocalDateTime checkInStartTime = checkInApplyDto.getCheckInConfigDto().getStartDate();
        LocalDateTime checkInEndTime = checkInApplyDto.getCheckInConfigDto().getEndDate();
        Integer status = checkInStartTime.isBefore(LocalDateTime.now()) ? 0 : 1;
        contract.setStatus(status);
        contract.setStartDate(checkInStartTime);
        contract.setEndDate(checkInEndTime);
        contractMapper.insert(contract);
    }


}
